convert date time to Epoch format in CSV in powershell - powershell

Question

I want to convert datetime to Epoch format in csv file using PowerShell. In the csv file I have only time data, and I want to use current date and time specified in csv to convert it to Epoch format .
in.csv
"192.168.1.2","01-any1TEST ","Ping","Down at least 3 min","17:25:14",":Windows 2012 Server"
"192.168.1.2","02-any2TEST ","Ping","Down at least 4 min","17:25:40",":Unix Server"
"192.168.1.2","03-any3TEST ","Ping","Down at least 3 min","17:26:21",":windows host "
My findings
This should be doable using a combination of the below two. The main issue I am facing is that I am unable to combine the current date with the time in csv file.
Import-Csv ".\out.csv" |
ForEach-Object {
$_.Date = [datetime]::Parse($_.Date).ToString('MM/dd/yyyy HH:mm')
}
Get-Date -Date "12/31/2015 23:59:59" -UFormat %s

Answer 1

When using Get-Date, you have the option to override values manually or using another datetime
For example:
Import-Csv ".\out.csv" |
ForEach-Object {
$tempDate = [datetime]::Parse($_.Date).ToString('MM/dd/yyyy HH:mm')
Get-Date -Hour $tempDate.Hour -Minute $tempDate.Minute -UFormat %s
}

Answer 2

I'd do it like this:
Import-Csv ".\out.csv" |
ForEach-Object {
$_.Date = Get-Date -Date $_.Date -UFormat %s
}
If you want to be a bit more explicit about what it's doing, you can convert the time to a timespan, which can be added to a date. Then you can pipe it to Get-Date to format it:
Import-Csv ".\out.csv" |
ForEach-Object {
$_.Date = [DateTime]::Today + [Timespan]::Parse($_.Date) | Get-Date -UFormat %s
}
[DateTime]::Today is today's date at midnight (time 00:00:00).
Ok, try the code below. It will write a warning message to the console when it finds a date that it can't parse. It won't fix the problem, but it will tell you where the problem is.
Import-Csv ".\out.csv" |
ForEach-Object {
$t = [timespan]::Zero
if ([Timespan]::TryParse($_.Date,[ref]$t)) {
$_.Date = [DateTime]::Today + $t | Get-Date -UFormat %s
}
else {
Write-Warning "Unable to parse timespan '$($_.Date)' for record $($_)"
}
}

Answer 3

This is working perfectly for me in 2.0 and not on 4.0 version . If possible please let me know why is is not working on powershell 4.0 .
$EventTime = $($s.EventTime)
$value = get-date -format d
$Imported = Import-Csv 'C:\PathToFIle\out.csv'
$Output = foreach ($i in $Imported) {
foreach ($c in $EventTime) {
$time=$i.eventtime
$fulltime =$value+' '+$time
$i.EventTime = Get-Date -Date $fulltime -UFormat %s
}
$i
}
$Output
$Output | Export-Csv 'C:\PathToFIle\TestComputers.csv' -NoTypeInformation